Home / 13,679.37-20,498.52-10,554.69

Finding the Fourth Proportional to 13,679.37, 20,498.52 and 10,554.69

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Solution

The fourth proportional to 13,679.37, 20,498.52 and 10,554.69 is: 15,816.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,679.37 : 20,498.52 = 10,554.69 : x
  2. Step 2: Convert to fraction form
    13,679.37/20,498.52 = 10,554.69/x
  3. Step 3: Cross multiply
    13,679.37x = 20,498.52 × 10,554.69
  4. Step 4: Simplify right side
    13,679.37x = 216,355,524.06
  5. Step 5: Solve for x
    x = 216,355,524.06/13,679.37
  6. Step 6: Final answer
    x = 15,816.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.